Weather Records on 15 September 1948

557 weather records were set or tied worldwide on 15 September 1948. Highest significance: Darwin Post Office, AU.

Key Facts for 15 September 1948

On 15 September 1948, 557 weather records were set or tied at long-record stations worldwide.
291 were record highs and 46 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 13 monthly and 543 daily.
Darwin Post Office set a daily record precipitation of 43.2 mm (1.7 in) on 15 September 1948.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 412 records.

Record Map

557 stations

557 station records on 15 September 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Darwin Post Office	Australia	Record daily precipitation	43.2 mm (1.7 in)	56 of 100 (Notable)
Miles Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	47 of 100 (Notable)
Jimbour State School	Australia	Record daily precipitation	36.6 mm (1.4 in)	46 of 100 (Notable)
Chinchilla Water Treatment Pla	Australia	Record daily precipitation	47.5 mm (1.9 in)	43 of 100 (Notable)
Jandowae Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	42 of 100 (Notable)
Jingi Jingi	Australia	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Warra Post Office	Australia	Record daily precipitation	53.8 mm (2.1 in)	41 of 100 (Notable)
Surat	Australia	Record daily precipitation	49.8 mm (2.0 in)	41 of 100 (Notable)
Milroy	Australia	Record daily precipitation	37.8 mm (1.5 in)	41 of 100 (Notable)
Chenari	India	Record daily precipitation	193.0 mm (7.6 in)	40 of 100 (Notable)
Chunar	India	Record daily precipitation	156.2 mm (6.1 in)	40 of 100 (Notable)
Acland Post Office	Australia	Record daily precipitation	39.9 mm (1.6 in)	39 of 100 (Notable)
Macalister Post Office	Australia	Record daily precipitation	54.1 mm (2.1 in)	39 of 100 (Notable)
Jeir	Australia	Record daily precipitation	38.9 mm (1.5 in)	39 of 100 (Notable)
Dalby Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	37 of 100 (Notable)
Goombungee Post Office	Australia	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Cooyar Post Office	Australia	Record daily precipitation	37.8 mm (1.5 in)	36 of 100 (Notable)
Kingaroy Prince Street	Australia	Record daily precipitation	33.3 mm (1.3 in)	36 of 100 (Notable)
Kalahasti	India	Record daily precipitation	96.5 mm (3.8 in)	36 of 100 (Notable)
Yandina Post Office	Australia	Record daily precipitation	54.9 mm (2.2 in)	35 of 100 (Notable)
Sirathu	India	Record daily precipitation	103.6 mm (4.1 in)	35 of 100 (Notable)
Taroom Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Nambour Bowling Club	Australia	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Dulacca Truck Stop	Australia	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Yuleba Garden St	Australia	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Amite	United States	Record low maximum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Reedy Creek Station	Australia	Record daily precipitation	35.1 mm (1.4 in)	33 of 100 (Routine)
Fernflat	Australia	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Cavan	Australia	Record daily precipitation	36.3 mm (1.4 in)	33 of 100 (Routine)
Angola	United States	Record daily precipitation	85.1 mm (3.4 in)	33 of 100 (Routine)
Olympia Priest Pt Park	United States	Record daily precipitation	37.8 mm (1.5 in)	33 of 100 (Routine)
Eidsvold Post Office	Australia	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
Oakey Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	32 of 100 (Routine)
Doctors Creek	Australia	Record daily precipitation	56.4 mm (2.2 in)	31 of 100 (Routine)
Irvingdale Post Office	Australia	Record daily precipitation	31.2 mm (1.2 in)	30 of 100 (Routine)
Parnu	Estonia	Record high minimum temperature	14.5 C (58.1 F)	30 of 100 (Routine)
Karikode	India	Record daily precipitation	121.9 mm (4.8 in)	30 of 100 (Routine)
Rolleston	Australia	Record daily precipitation	25.9 mm (1.0 in)	29 of 100 (Routine)
Woleebee Nevasa	Australia	Record daily precipitation	31.8 mm (1.3 in)	29 of 100 (Routine)
Bell Store	Australia	Record daily precipitation	26.7 mm (1.1 in)	29 of 100 (Routine)
Ongole	India	Record daily precipitation	84.1 mm (3.3 in)	29 of 100 (Routine)
Ottapalam	India	Record daily precipitation	47.8 mm (1.9 in)	29 of 100 (Routine)
Mirzapur	India	Record daily precipitation	108.2 mm (4.3 in)	29 of 100 (Routine)
Bedford 2 SE	United States	Record high maximum temperature	37.8 C (100.0 F)	29 of 100 (Routine)
Spring Bluff Railway STN	Australia	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Penukonda	India	Record daily precipitation	88.9 mm (3.5 in)	28 of 100 (Routine)
Hailakundi India	India	Record daily precipitation	85.1 mm (3.4 in)	28 of 100 (Routine)
Karkaralinsk	Kazakhstan	Record daily precipitation	49.0 mm (1.9 in)	28 of 100 (Routine)
Madowla	Australia	Record daily precipitation	29.0 mm (1.1 in)	27 of 100 (Routine)
Bicton	Australia	Record daily precipitation	34.5 mm (1.4 in)	27 of 100 (Routine)
Tanakal(Tanakall)	India	Record daily precipitation	57.2 mm (2.3 in)	27 of 100 (Routine)
Saidpur Bhitari	India	Record daily precipitation	107.2 mm (4.2 in)	27 of 100 (Routine)
Robertsganj	India	Record daily precipitation	86.1 mm (3.4 in)	27 of 100 (Routine)
Riverton	United States	Record high maximum temperature	35.6 C (96.1 F)	27 of 100 (Routine)
Parry Sound	Canada	Record low maximum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Karchana	India	Record daily precipitation	52.3 mm (2.1 in)	26 of 100 (Routine)
Clinton Forestry HQ	United States	Record low maximum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Hettinger	United States	Record high maximum temperature	40.0 C (104.0 F)	26 of 100 (Routine)
Belle Fourche	United States	Record high maximum temperature	38.9 C (102.0 F)	26 of 100 (Routine)
Spearfish	United States	Record high maximum temperature	37.2 C (99.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

557 records

Records set or tied on 15 September 1948 by type: Highest daily maximum 224, Lowest daily maximum 36, Highest daily minimum 67, Lowest daily minimum 10, Heaviest daily rainfall 220.

Records on 15 September 1948 by type
Record type	Records
Highest daily maximum	224
Lowest daily maximum	36
Highest daily minimum	67
Lowest daily minimum	10
Heaviest daily rainfall	220
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 September 1948 by timescale: all-time 1, monthly 13, daily 543.

How Much Records Were Beaten By

473 broken records

Margins by which the 473 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 146.0. Ties are not counted.

Top 20 by Significance

15 September 1948

Top 20 records on 15 September 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1948	Darwin Post Office, AU	daily rain	43.2 mm (1.7 in)	30.5 mm (1.2 in)	62 years	56 of 100 (Notable)
15 September 1948	Miles Post Office, AU	daily rain	47.0 mm (1.9 in)	29.7 mm (1.2 in)	31 years	47 of 100 (Notable)
15 September 1948	Jimbour State School, AU	daily rain	36.6 mm (1.4 in)	20.3 mm (0.8 in)	56 years	46 of 100 (Notable)
15 September 1948	Chinchilla Water Treatment Pla, AU	daily rain	47.5 mm (1.9 in)	28.7 mm (1.1 in)	31 years	43 of 100 (Notable)
15 September 1948	Jandowae Post Office, AU	daily rain	34.3 mm (1.4 in)	26.9 mm (1.1 in)	31 years	42 of 100 (Notable)
15 September 1948	Jingi Jingi, AU	daily rain	38.1 mm (1.5 in)	31.7 mm (1.2 in)	31 years	42 of 100 (Notable)
15 September 1948	Warra Post Office, AU	daily rain	53.8 mm (2.1 in)	23.3 mm (0.9 in)	45 years	41 of 100 (Notable)
15 September 1948	Surat, AU	daily rain	49.8 mm (2.0 in)	32.0 mm (1.3 in)	28 years	41 of 100 (Notable)
15 September 1948	Milroy, AU	daily rain	37.8 mm (1.5 in)	19.3 mm (0.8 in)	57 years	41 of 100 (Notable)
15 September 1948	Chenari, IN	daily rain	193.0 mm (7.6 in)	146.0 mm (5.7 in)	6 years	40 of 100 (Notable)
15 September 1948	Chunar, IN	daily rain	156.2 mm (6.1 in)	59.7 mm (2.4 in)	43 years	40 of 100 (Notable)
15 September 1948	Acland Post Office, AU	daily rain	39.9 mm (1.6 in)	28.0 mm (1.1 in)	31 years	39 of 100 (Notable)
15 September 1948	Macalister Post Office, AU	daily rain	54.1 mm (2.1 in)	24.9 mm (1.0 in)	45 years	39 of 100 (Notable)
15 September 1948	Jeir, AU	daily rain	38.9 mm (1.5 in)	15.5 mm (0.6 in)	55 years	39 of 100 (Notable)
15 September 1948	Dalby Post Office, AU	daily rain	30.2 mm (1.2 in)	13.2 mm (0.5 in)	56 years	37 of 100 (Notable)
15 September 1948	Goombungee Post Office, AU	daily rain	33.5 mm (1.3 in)	21.6 mm (0.9 in)	31 years	37 of 100 (Notable)
15 September 1948	Cooyar Post Office, AU	daily rain	37.8 mm (1.5 in)	23.8 mm (0.9 in)	31 years	36 of 100 (Notable)
15 September 1948	Kingaroy Prince Street, AU	daily rain	33.3 mm (1.3 in)	24.4 mm (1.0 in)	31 years	36 of 100 (Notable)
15 September 1948	Kalahasti, IN	daily rain	96.5 mm (3.8 in)	36.8 mm (1.4 in)	31 years	36 of 100 (Notable)
15 September 1948	Yandina Post Office, AU	daily rain	54.9 mm (2.2 in)	36.9 mm (1.5 in)	15 years	35 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1797 to 1948

Records set or tied on this calendar date in each year from 1797 to 1948. 1948 had 557 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 1948-09-15: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	425
20 to 40	41
40 to 60	6
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1